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NetworkManager/man/nmcli-examples.xml
Jiří Klimeš 6993b5b2a1 man: add 'nmcli-examples' manual page with examples of nmcli usage 
(and add a reference to 'nmcli-examples' to other man pages)
2013-07-22 13:43:54 +02:00

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<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
<!--
Copyright (C) 2013 Red Hat, Inc.
-->
<refentry id="nmcli-examples">
<refentryinfo>
<title>nmcli-examples</title>
<date>16 July 2013</date>
<author>NetworkManager developers</author>
</refentryinfo>
<refmeta>
<refentrytitle>nmcli-examples</refentrytitle>
<manvolnum>5</manvolnum>
<refmiscinfo class="source">NetworkManager</refmiscinfo>
<refmiscinfo class="manual">Examples</refmiscinfo>
<refmiscinfo class="version">0.9.10</refmiscinfo>
</refmeta>
<refnamediv>
<refname>nmcli-examples</refname>
<refpurpose>usage examples of nmcli</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>nmcli <arg choice="opt" rep="repeat">OPTIONS</arg></command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<emphasis>nmcli</emphasis> is a command line client for NetworkManager. It
allows controlling NetworkManager and reporting its status. For more information
please refer to <citerefentry><refentrytitle>nmcli</refentrytitle><manvolnum>1</manvolnum></citerefentry>
manual page.
</para>
<para>
The purpose of this manual page is to provide you with various examples and
usage scenarios of <emphasis>nmcli</emphasis>.
</para>
<para>Note: this page has "work-in-progress" status.</para>
</refsect1>
<refsect1>
<title>Examples</title>
<example><title>Listing available Wi-Fi APs</title>
<synopsis><emphasis role="bold">
$ nmcli device wifi list
</emphasis></synopsis>
<screen>
* SSID MODE CHAN RATE SIGNAL BARS SECURITY
netdatacomm_local Infra 6 54 MB/s 37 ▂▄__ WEP
* F1 Infra 11 54 MB/s 98 ▂▄▆█ WPA1
LoremCorp Infra 1 54 MB/s 62 ▂▄▆_ WPA2 802.1X
Internet Infra 6 54 MB/s 29 ▂___ WPA1
HPB110a.F2672A Ad-Hoc 6 54 MB/s 22 ▂___ --
Jozinet Infra 1 54 MB/s 19 ▂___ WEP
VOIP Infra 1 54 MB/s 20 ▂___ WEP
MARTINA Infra 4 54 MB/s 32 ▂▄__ WPA2
N24PU1 Infra 7 11 MB/s 22 ▂___ --
alfa Infra 1 54 MB/s 67 ▂▄▆_ WPA2
bertnet Infra 5 54 MB/s 20 ▂___ WPA1 WPA2
</screen>
</example>
<para>
This command shows how to list available Wi-Fi networks (APs).
</para>
<example><title>Showing general information and properties for a Wi-Fi interface</title>
<synopsis><emphasis role="bold">
$ nmcli -p -f general,wifi-properties device show wlan0
</emphasis></synopsis>
<screen>
===============================================================================
Device details (wlan0)
===============================================================================
GENERAL.DEVICE: wlan0
GENERAL.TYPE: wifi
GENERAL.VENDOR: Intel Corporation
GENERAL.PRODUCT: --
GENERAL.DRIVER: iwlwifi
GENERAL.DRIVER-VERSION: 3.8.11-100.fc17.x86_64
GENERAL.FIRMWARE-VERSION: 8.83.5.1 build 33692
GENERAL.HWADDR: 00:1E:65:37:A1:D3
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/net/wlan0
GENERAL.IP-IFACE: wlan0
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.CONNECTION: /org/freedesktop/NetworkManager/ActiveConnection/5
-------------------------------------------------------------------------------
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: no
WIFI-PROPERTIES.ADHOC: yes
-------------------------------------------------------------------------------
</screen>
</example>
<para>
This command shows information about a Wi-Fi device.
</para>
<example><title>Listing NetworkManager polkit permissions</title>
<synopsis><emphasis role="bold">
$ nmcli general permissions
</emphasis></synopsis>
<screen>
PERMISSION VALUE
org.freedesktop.NetworkManager.enable-disable-network yes
org.freedesktop.NetworkManager.enable-disable-wifi yes
org.freedesktop.NetworkManager.enable-disable-wwan yes
org.freedesktop.NetworkManager.enable-disable-wimax yes
org.freedesktop.NetworkManager.sleep-wake no
org.freedesktop.NetworkManager.network-control yes
org.freedesktop.NetworkManager.wifi.share.protected yes
org.freedesktop.NetworkManager.wifi.share.open yes
org.freedesktop.NetworkManager.settings.modify.system yes
org.freedesktop.NetworkManager.settings.modify.own yes
org.freedesktop.NetworkManager.settings.modify.hostname auth
</screen>
</example>
<para>
This command shows configured polkit permissions for various NetworkManager
operation. These permissions or actions (using polkit language) are configured
by a system administrator and are not meant to be changed by users. The usual
place for the polkit configuration is /usr/share/polkit-1/actions/org.freedesktop.NetworkManager.policy.
<emphasis>pkaction</emphasis> command can display description for polkit actions.
<programlisting><command>
pkaction --action-id org.freedesktop.NetworkManager.network-control --verbose
</command></programlisting>
More information about polkit can be found at http://www.freedesktop.org/wiki/Software/polkit.
</para>
<example><title>Adding a bonding master and two slave connections</title>
<programlisting><emphasis role="bold">
$ nmcli con add type bond ifname mybond0 mode active-backup
$ nmcli con add type bond-slave ifname eth1 master mybond0
$ nmcli con add type bond-slave ifname eth2 master mybond0
</emphasis></programlisting>
</example>
<para>
This example demonstrates adding a bond master connection and two slaves. The
first command adds a master bond connection, naming the bonding interface
<emphasis>mybond0</emphasis> and using <emphasis>active-backup</emphasis> mode.
The next two commands add slaves connections, both enslaved to <emphasis>mybond0</emphasis>.
The first slave will be bound to <emphasis>eth1</emphasis> interface, the second to
<emphasis>eth2</emphasis>.
</para>
<example><title>Adding an ethernet connection with manual IP configuration</title>
<programlisting>
<emphasis role="bold">
$ nmcli con add con-name my-con-em1 ifname em1 type ethernet ip4 192.168.100.100/24 gw4 192.168.100.1 ip4 1.2.3.4 ip6 abbe::cafe
$ nmcli con mod my-con-em1 ipv4.dns "8.8.8.8 8.8.4.4"
$ nmcli con mod my-con-em1 ipv6.dns "2001:4860:4860::8888 2001:4860:4860::8844"
$ nmcli -p con show conf my-con-em1
</emphasis>
</programlisting>
</example>
<para>
The first command adds an ethernet connection named <emphasis>my-con-em1</emphasis>
that is bound to interface name <emphasis>em1</emphasis>. The connection is configured
with static IP addresses. The second and third commands modifies DNS parameters of the
new connection profile. Using the last <emphasis>con show configured</emphasis> the
connection is displayed so that all parameters can be reviewed.
</para>
<example><title>Escaping colon characters in tabular mode</title>
<programlisting>
<emphasis role="bold">
$ nmcli -t -f general -e yes -m tab dev show eth0
</emphasis>
</programlisting>
<screen>
GENERAL:eth0:ethernet:Intel Corporation:--:e1000e:2.1.4-k:1.8-3:00\:22\:68\:11\:59\:01:100 (connected):0 (No reason given):/sys/devices/pci0000\:00/0000\:00\:19.0/net/eth0::yes:yes:no:connected
</screen>
</example>
<para>
This example shows escaping colon characters in tabular mode. It may be
useful for script processing, because ':' is used as a field separator.
</para>
<para><emphasis role="bold">Example sessions of interactive connection editor</emphasis></para>
<example><title>Adding an ethernet connection in interactive editor (a)</title>
<programlisting>
<emphasis role="bold">
$ nmcli connection edit type ethernet
</emphasis>
</programlisting>
<screen>
===| nmcli interactive connection editor |===
Adding a new '802-3-ethernet' connection
Type 'help' or '?' for available commands.
You may edit the following settings: connection, 802-3-ethernet (ethernet), 802-1x, ipv4, ipv6
nmcli> print
===============================================================================
Connection details
===============================================================================
connection.id: ethernet-4
connection.uuid: de89cdeb-a3e1-4d53-8fa0-c22546c775f4
connection.interface-name: --
connection.type: 802-3-ethernet
connection.autoconnect: yes
connection.timestamp: 0
connection.read-only: no
connection.permissions:
connection.zone: --
connection.master: --
connection.slave-type: --
connection.secondaries:
-------------------------------------------------------------------------------
802-3-ethernet.port: --
802-3-ethernet.speed: 0
802-3-ethernet.duplex: --
802-3-ethernet.auto-negotiate: yes
802-3-ethernet.mac-address: --
802-3-ethernet.cloned-mac-address: --
802-3-ethernet.mac-address-blacklist:
802-3-ethernet.mtu: auto
802-3-ethernet.s390-subchannels:
802-3-ethernet.s390-nettype: --
802-3-ethernet.s390-options:
-------------------------------------------------------------------------------
nmcli> goto ethernet
You may edit the following properties: port, speed, duplex, auto-negotiate, mac-address, cloned-mac-address, mac-address-blacklist, mtu, s390-subchannels, s390-nettype, s390-options
nmcli 802-3-ethernet> set mtu 1492
nmcli 802-3-ethernet> b
nmcli> goto ipv4.addresses
nmcli ipv4.addresses> desc
=== [addresses] ===
[setting description]
Array of IPv4 address structures. Each IPv4 address structure is composed of 3 32-bit values; the first being the IPv4 address (network byte order), the second the prefix (1 - 32), and last the IPv4 gateway (network byte order). The gateway may be left as 0 if no gateway exists for that subnet. For the 'auto' method, given IP addresses are appended to those returned by automatic configuration. Addresses cannot be used with the 'shared', 'link-local', or 'disabled' methods as addressing is either automatic or disabled with these methods.
[nmcli description]
Enter a list of IPv4 addresses formatted as:
ip[/prefix] [gateway], ip[/prefix] [gateway],...
Missing prefix is regarded as prefix of 32.
Example: 192.168.1.5/24 192.168.1.1, 10.0.0.11/24
nmcli ipv4.addresses> set 192.168.1.100/24 192.168.1.1
nmcli ipv4.addresses> print
addresses: { ip = 192.168.1.100/24, gw = 192.168.1.1 }
nmcli ipv4.addresses> back
nmcli ipv4> b
nmcli> verify
Verify connection: OK
nmcli> print
===============================================================================
Connection details
===============================================================================
connection.id: ethernet-18
connection.uuid: de89cdeb-a3e1-4d53-8fa0-c22546c775f4
connection.interface-name: --
connection.type: 802-3-ethernet
connection.autoconnect: yes
connection.timestamp: 0
connection.read-only: no
connection.permissions:
connection.zone: --
connection.master: --
connection.slave-type: --
connection.secondaries:
-------------------------------------------------------------------------------
802-3-ethernet.port: --
802-3-ethernet.speed: 0
802-3-ethernet.duplex: --
802-3-ethernet.auto-negotiate: yes
802-3-ethernet.mac-address: --
802-3-ethernet.cloned-mac-address: --
802-3-ethernet.mac-address-blacklist:
802-3-ethernet.mtu: 1492
802-3-ethernet.s390-subchannels:
802-3-ethernet.s390-nettype: --
802-3-ethernet.s390-options:
-------------------------------------------------------------------------------
ipv4.method: manual
ipv4.dns:
ipv4.dns-search:
ipv4.addresses: { ip = 192.168.1.100/24, gw = 192.168.1.1 }
ipv4.routes:
ipv4.ignore-auto-routes: no
ipv4.ignore-auto-dns: no
ipv4.dhcp-client-id: --
ipv4.dhcp-send-hostname: yes
ipv4.dhcp-hostname: --
ipv4.never-default: no
ipv4.may-fail: yes
-------------------------------------------------------------------------------
nmcli> set ipv4.dns 8.8.8.8 8.8.4.4
nmcli> print
===============================================================================
Connection details
===============================================================================
connection.id: ethernet-4
connection.uuid: de89cdeb-a3e1-4d53-8fa0-c22546c775f4
connection.interface-name: --
connection.type: 802-3-ethernet
connection.autoconnect: yes
connection.timestamp: 0
connection.read-only: no
connection.permissions:
connection.zone: --
connection.master: --
connection.slave-type: --
connection.secondaries:
-------------------------------------------------------------------------------
802-3-ethernet.port: --
802-3-ethernet.speed: 0
802-3-ethernet.duplex: --
802-3-ethernet.auto-negotiate: yes
802-3-ethernet.mac-address: --
802-3-ethernet.cloned-mac-address: --
802-3-ethernet.mac-address-blacklist:
802-3-ethernet.mtu: 1492
802-3-ethernet.s390-subchannels:
802-3-ethernet.s390-nettype: --
802-3-ethernet.s390-options:
-------------------------------------------------------------------------------
ipv4.method: manual
ipv4.dns: 8.8.8.8, 8.8.4.4
ipv4.dns-search:
ipv4.addresses: { ip = 192.168.1.100/24, gw = 192.168.1.1 }
ipv4.routes:
ipv4.ignore-auto-routes: no
ipv4.ignore-auto-dns: no
ipv4.dhcp-client-id: --
ipv4.dhcp-send-hostname: yes
ipv4.dhcp-hostname: --
ipv4.never-default: no
ipv4.may-fail: yes
-------------------------------------------------------------------------------
nmcli> verify
Verify connection: OK
nmcli> save
Connection 'ethernet-4' (de89cdeb-a3e1-4d53-8fa0-c22546c775f4) sucessfully saved.
nmcli> quit
</screen>
</example>
<para>
Example session in the nmcli interactive connection editor.
The scenario creates an ethernet connection (configuration) with static addressing (IPs and DNS).
</para>
<example><title>nmcli usage in a NetworkManager dispatcher script to make ethernet/Wi-Fi mutually exclusive</title>
<programlisting>
#!/bin/bash
export LC_ALL=C
enable_disable_wifi ()
{
result=$(nmcli dev | grep "802-3-ethernet" | grep -w "connected")
if [ -n "$result" ]; then
nmcli radio wifi off
else
nmcli radio wifi on
fi
}
if [ "$2" = "up" ]; then
enable_disable_wifi
fi
if [ "$2" = "down" ]; then
enable_disable_wifi
fi
</programlisting>
</example>
<para>
This dispatcher script makes Wi-Fi mutually exclusive with wired
networking. When a wired interface is connected, Wi-Fi will be set
to airplane mode (rfkilled). When the wired interface is disconnected,
Wi-Fi will be turned back on.
Name this script e.g. 70-wifi-wired-exclusive.sh and put it into /etc/networkManager/dispatcher.d/.
See <citerefentry><refentrytitle>NetworkManager</refentrytitle><manvolnum>8</manvolnum></citerefentry>
manual page for more information about NetworkManager dispatcher scripts.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>nmcli</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>NetworkManager</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>NetworkManager.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>nm-settings</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>nm-online</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>nm-applet</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>nm-connection-editor</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
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